Layer Estimates:

Layer: Geoid18_Polygon (ID:2)
Count: 953702
Extent:

XMin: -109.066666588292
YMin: 25.8333333696394
XMax: -76.9833329533531
YMax: 42.0166670273614
Spatial Reference: GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],VERTCS["unknown",VDATUM["unknown"],PARAMETER["Vertical_Shift",0.0],PARAMETER["Direction",1.0],UNIT["Foot_US",0.3048006096012192]]